body
{
	text-align: center;
	margin: 0 auto;
}

#img
{
	width: 40px;
	height: 40px;
	background: #FFF;
	text-align: center;
	position: absolute;
	margin-left: -100px;
	margin-top: -100px;
	left: 50%;
	top: 60%;
}

#box
{
	width: 150px;
	height: 150px;
	background: #FFF;
	border: red dotted 5px;
	text-align: center;
	position: absolute;
	margin-left: -75px;
	margin-top: -75px;
	left: 50%;
	top: 50%;
	z-index: 20;
	display: none;
}

#screen
{
	position: absolute;
	left: 0;
	top: 0;
	background: #000;
}